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PyQt vs Qt: What are the differences?

PyQt is a Python binding for the Qt library, enabling Python developers to use Qt's features, while Qt supports multiple languages like C++, JavaScript, and Python. Let's explore them.

  1. Language Compatibility: PyQt is a Python binding for the Qt library, allowing the use of Qt in the Python language, while Qt is a framework that supports multiple programming languages such as C++, JavaScript, and Python. PyQt provides an interface for Python developers to access and use the comprehensive features of Qt.

  2. Development Process: When using PyQt, developers can use Python's object-oriented programming paradigm and take advantage of Python's simplicity and ease of use in the development process. On the other hand, Qt allows developers to use various programming languages with its own framework-specific syntax. PyQt emphasizes flexibility and rapid development, while Qt provides a more comprehensive and versatile development environment.

  3. Learning Curve: While PyQt offers a more streamlined and Pythonic way of programming, Qt has a steeper learning curve due to its wide range of features and syntax. PyQt simplifies the development process by leveraging Python's simplicity, making it easier for Python developers to learn and use the Qt framework. Qt requires developers to learn its specific syntax and concepts, which may take more time and effort for those unfamiliar with the framework.

  4. Platform Support: PyQt provides cross-platform support, allowing developers to create applications that can run on various operating systems such as Windows, macOS, and Linux. Qt, being a versatile framework, also supports multiple platforms, making it suitable for developing applications that can run on desktop, mobile, and embedded systems. Both PyQt and Qt offer extensive platform compatibility, enabling developers to target a wide range of devices and platforms with their applications.

  5. License Restrictions: PyQt is available under the GNU General Public License (GPL) or a commercial license, giving developers the option to choose which license suits their needs. Qt, on the other hand, has dual licensing options. It is available under both an open-source license and a commercial license. Developers using Qt for open-source projects can do so under the GNU Lesser General Public License (LGPL), while commercial use requires a commercial license. This difference in licensing options provides developers with more choices and flexibility when deciding how to distribute their applications.

  6. Community and Support: PyQt has a lively and active community of developers, with various online resources and forums available for support and guidance. Qt, being a widely used and established framework, also has a large community of developers. Both PyQt and Qt have extensive documentation and support available, ensuring that developers can access information and assistance when faced with technical challenges or queries.

In summary, PyQt provides a Pythonic way of using the Qt framework, simplifying the development process and allowing Python developers to leverage the extensive features of Qt.

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Pros of PyQt
Pros of Qt
    Be the first to leave a pro
    • 17
      High Performance
    • 13
      Declarative, easy and flexible UI
    • 12
      Cross platform
    • 12
      Performance
    • 9
      Fast prototyping
    • 8
      Easiest integration with C++
    • 8
      Up to date framework
    • 7
      Python
    • 6
      Multiple license including Open Source and Commercial
    • 6
      Safe 2D Renderer
    • 5
      Great Community Support
    • 4
      HW Accelerated UI
    • 4
      Game Engine like UI system
    • 3
      No history of broken compatibility with a major version
    • 3
      JIT and QML Compiler
    • 3
      True cross-platform framework with native code compile
    • 3
      Reliable for industrial use
    • 3
      Pure C++
    • 3
      Been using it since the 90s - runs anywhere does it all
    • 2
      Open source
    • 2
      Easy Integrating to DX and OpenGL and Vulkan
    • 2
      From high to low level coding
    • 1
      Learning Curve
    • 1
      Great mobile support with Felgo add-on
    • 1
      Native looking GUI

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    Cons of PyQt
    Cons of Qt
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      • 5
        Paid
      • 4
        C++ is not so productive
      • 2
        Lack of community support
      • 1
        Lack of libraries
      • 1
        Not detailed documentation

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      What is PyQt?

      It is a set of Python v2 and v3 bindings for Qt application framework and runs on all platforms supported by Qt including Windows, OS X, Linux, iOS and Android. PyQt5 supports Qt v5. PyQt4 supports Qt v4 and will build against Qt v5. The bindings are implemented as a set of Python modules and contain over 1,000 classes.

      What is Qt?

      Qt, a leading cross-platform application and UI framework. With Qt, you can develop applications once and deploy to leading desktop, embedded & mobile targets.

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      What companies use PyQt?
      What companies use Qt?
      See which teams inside your own company are using PyQt or Qt.
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      What tools integrate with PyQt?
      What tools integrate with Qt?
      What are some alternatives to PyQt and Qt?
      Kivy
      It is an open source Python library for rapid development of applications that make use of innovative user interfaces, such as multi-touch apps. It runs on Linux, Windows, OS X, Android, iOS, and Raspberry Pi. You can run the same code on all supported platforms.
      pygame
      It is a cross-platform set of Python modules designed for writing video games. It includes computer graphics and sound libraries designed to be used with the Python programming language.
      React Native
      React Native enables you to build world-class application experiences on native platforms using a consistent developer experience based on JavaScript and React. The focus of React Native is on developer efficiency across all the platforms you care about - learn once, write anywhere. Facebook uses React Native in multiple production apps and will continue investing in React Native.
      Flutter
      Flutter is a mobile app SDK to help developers and designers build modern mobile apps for iOS and Android.
      Ionic
      Free and open source, Ionic offers a library of mobile and desktop-optimized HTML, CSS and JS components for building highly interactive apps. Use with Angular, React, Vue, or plain JavaScript.
      See all alternatives